CN100361174C - 显示面板的驱动控制装置及驱动控制方法 - Google Patents

显示面板的驱动控制装置及驱动控制方法 Download PDF

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Publication number
CN100361174C
CN100361174C CNB2004100312936A CN200410031293A CN100361174C CN 100361174 C CN100361174 C CN 100361174C CN B2004100312936 A CNB2004100312936 A CN B2004100312936A CN 200410031293 A CN200410031293 A CN 200410031293A CN 100361174 C CN100361174 C CN 100361174C
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CN
China
Prior art keywords
mentioned
brightness
brightness data
display panel
clock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100312936A
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English (en)
Chinese (zh)
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CN1551061A (zh
Inventor
阿部直人
嵯峨野治
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Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN1551061A publication Critical patent/CN1551061A/zh
Application granted granted Critical
Publication of CN100361174C publication Critical patent/CN100361174C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0024Household or table equipment
    • F21V33/0028Decorative household equipment, e.g. plant holders or food dummies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0224Details of interlacing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/0275Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2014Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007Display of intermediate tones
    • G09G3/2077Display of intermediate tones by a combination of two or more gradation control methods
    • G09G3/2081Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of El Displays (AREA)
CNB2004100312936A 2003-05-16 2004-03-26 显示面板的驱动控制装置及驱动控制方法 Expired - Fee Related CN100361174C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003139501A JP3880540B2 (ja) 2003-05-16 2003-05-16 表示パネルの駆動制御装置
JP139501/2003 2003-05-16

Publications (2)

Publication Number Publication Date
CN1551061A CN1551061A (zh) 2004-12-01
CN100361174C true CN100361174C (zh) 2008-01-09

Family

ID=33028434

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100312936A Expired - Fee Related CN100361174C (zh) 2003-05-16 2004-03-26 显示面板的驱动控制装置及驱动控制方法

Country Status (5)

Country Link
US (1) US7154489B2 (ja)
EP (1) EP1477956A3 (ja)
JP (1) JP3880540B2 (ja)
KR (1) KR100579362B1 (ja)
CN (1) CN100361174C (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100927608B1 (ko) * 2003-10-09 2009-11-23 삼성에스디아이 주식회사 영상표시장치에 있어서 휘도제어방법 및 장치
KR100997477B1 (ko) * 2004-04-29 2010-11-30 삼성에스디아이 주식회사 가변의 계조 표현력을 가진 전계 방출 디스플레이 장치
KR101022658B1 (ko) * 2004-05-31 2011-03-22 삼성에스디아이 주식회사 신호 지연 저감형 전자 방출 장치 구동방법
KR100911005B1 (ko) * 2004-05-31 2009-08-05 삼성에스디아이 주식회사 외부 압력에 따라 휘도가 조정되는 방전 디스플레이 장치
JP2006259663A (ja) * 2004-06-30 2006-09-28 Canon Inc 画像処理方法、画像表示装置、映像受信表示装置および画像処理装置
JP2006047997A (ja) * 2004-06-30 2006-02-16 Canon Inc 変調回路、駆動回路および出力方法
US7561002B1 (en) * 2005-04-26 2009-07-14 Pulsecore Semiconductor, Inc. Method and apparatus for frequency modulating a periodic signal of varying duty cycle
US8144350B2 (en) * 2007-02-15 2012-03-27 Samsung Electronics Co., Ltd. Image forming apparatus and method of controlling the same
CN102484675B (zh) * 2009-07-31 2015-03-25 夏普株式会社 灰度调整装置、图像显示装置、以及电视接收机
JP5534968B2 (ja) * 2010-06-15 2014-07-02 シャープ株式会社 液晶表示装置および電子情報機器
JP5665388B2 (ja) 2010-06-28 2015-02-04 キヤノン株式会社 画像処理装置及びその制御方法
US20140340431A1 (en) * 2011-11-30 2014-11-20 SHARP KABUSHIKI KAISHA a corporation Control unit, display device including control unit, and control method
US20180040267A1 (en) * 2016-08-04 2018-02-08 Raydium Semiconductor Corporation Display apparatus and driving circuit thereof
KR20200000313A (ko) * 2018-06-22 2020-01-02 엘지디스플레이 주식회사 스캔 구동부 및 이를 이용한 표시장치
CN109599054B (zh) * 2019-01-17 2020-05-29 硅谷数模半导体(北京)有限公司 显示面板亮度的控制方法及装置
CN112309309B (zh) * 2019-07-25 2021-08-06 米彩股份有限公司 显示器驱动模组及其控制方法与显示器驱动系统
CN110969999B (zh) * 2019-11-25 2021-09-07 厦门天马微电子有限公司 一种电磁干扰削弱电路、显示面板及显示装置
CN114830218A (zh) 2020-01-03 2022-07-29 三星电子株式会社 显示模块及其驱动方法
CN115985223B (zh) * 2023-03-21 2023-08-25 惠科股份有限公司 显示设备及其驱动方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0998152A (ja) * 1995-04-20 1997-04-08 Lexmark Internatl Inc 拡散スペクトル・クロック生成装置
US5659339A (en) * 1994-09-30 1997-08-19 Sun Microsystems, Inc. Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems
JPH09232944A (ja) * 1996-01-29 1997-09-05 Hewlett Packard Co <Hp> デジタル分周方法とデジタル分周装置
JPH09289527A (ja) * 1996-01-29 1997-11-04 Hewlett Packard Co <Hp> デジタル・システムにおける電磁妨害雑音の放射を抑制するための方法及び装置
JP2001007891A (ja) * 1999-04-12 2001-01-12 Lg Philips Lcd Co Ltd データ中継装置(DataInterfaceDevice)
JP2001125542A (ja) * 1999-10-27 2001-05-11 Nec Viewtechnology Ltd 表示装置及びそれに用いるクロック間干渉による影響の防止方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150890A (en) 1981-03-13 1982-09-17 Ricoh Kk Electrochromic display detection system
JPS6371889A (ja) 1986-09-16 1988-04-01 松下電器産業株式会社 表示装置の駆動回路
JPH0362094A (ja) 1989-07-31 1991-03-18 Oki Electric Ind Co Ltd アクティブマトリクス型液晶表示装置の階調表示駆動回路
US5459495A (en) * 1992-05-14 1995-10-17 In Focus Systems, Inc. Gray level addressing for LCDs
JPH1039825A (ja) 1996-07-23 1998-02-13 Canon Inc 電子発生装置、画像表示装置およびそれらの駆動回路、駆動方法
TW522354B (en) * 1998-08-31 2003-03-01 Semiconductor Energy Lab Display device and method of driving the same
TW556143B (en) 2000-02-03 2003-10-01 Chi Mei Optoelectronics Corp Transmission method, device and liquid crystal display to reduce EMI intensity for liquid crystal display circuit
JP3681121B2 (ja) 2001-06-15 2005-08-10 キヤノン株式会社 駆動回路及び表示装置
US6873308B2 (en) 2001-07-09 2005-03-29 Canon Kabushiki Kaisha Image display apparatus
US6985141B2 (en) * 2001-07-10 2006-01-10 Canon Kabushiki Kaisha Display driving method and display apparatus utilizing the same
US7009627B2 (en) * 2001-11-21 2006-03-07 Canon Kabushiki Kaisha Display apparatus, and image signal processing apparatus and drive control apparatus for the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659339A (en) * 1994-09-30 1997-08-19 Sun Microsystems, Inc. Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems
JPH0998152A (ja) * 1995-04-20 1997-04-08 Lexmark Internatl Inc 拡散スペクトル・クロック生成装置
JPH09232944A (ja) * 1996-01-29 1997-09-05 Hewlett Packard Co <Hp> デジタル分周方法とデジタル分周装置
JPH09289527A (ja) * 1996-01-29 1997-11-04 Hewlett Packard Co <Hp> デジタル・システムにおける電磁妨害雑音の放射を抑制するための方法及び装置
JP2001007891A (ja) * 1999-04-12 2001-01-12 Lg Philips Lcd Co Ltd データ中継装置(DataInterfaceDevice)
JP2001125542A (ja) * 1999-10-27 2001-05-11 Nec Viewtechnology Ltd 表示装置及びそれに用いるクロック間干渉による影響の防止方法

Also Published As

Publication number Publication date
CN1551061A (zh) 2004-12-01
KR20040099112A (ko) 2004-11-26
EP1477956A3 (en) 2008-05-07
US7154489B2 (en) 2006-12-26
US20050001827A1 (en) 2005-01-06
KR100579362B1 (ko) 2006-05-12
JP3880540B2 (ja) 2007-02-14
EP1477956A2 (en) 2004-11-17
JP2004341360A (ja) 2004-12-02

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080109

Termination date: 20140326